Add buildable concrete and weathering to D2k. Fixes #2249.

mods/d2k/rules/defaults.yaml

@@ -263,4 +263,4 @@
 	Huntable:
 	LuaScriptEvents:
 	Demolishable:
-
+	DamagedWithoutFoundation:

mods/d2k/rules/structures.yaml

@@ -1,3 +1,42 @@
+^CONCRETE:
+	Building:
+		Adjacent: 4
+		TerrainTypes: Rock
+		BuildSounds: BUILD1.WAV
+		AllowInvalidPlacement: true
+	LaysTerrain:
+		Template: 88
+		TerrainTypes: Rock
+	Tooltip:
+		Name: Concrete
+		Description: Provides a strong foundation that prevents\ndamage from the terrain.
+	RenderSprites:
+	RemoveImmediately:
+
+CONCRETEA:
+	Inherits: ^CONCRETE
+	Building:
+		Footprint: xx xx
+		Dimensions: 2,2
+	Buildable:
+		Queue: Building
+		BuildPaletteOrder:10
+		Owner: atreides, harkonnen, ordos
+	Valued:
+		Cost: 20
+
+CONCRETEB:
+	Inherits: ^CONCRETE
+	Building:
+		Footprint: xxx xxx xxx
+		Dimensions: 3,3
+	Buildable:
+		Queue: Building
+		BuildPaletteOrder: 10
+		Owner: atreides, harkonnen, ordos
+	Valued:
+		Cost: 50
+
 ^CONYARD:
 	Inherits: ^Building
 	Building:
@@ -5,6 +44,9 @@
 		Footprint: xxx xxx
 		Dimensions: 3,2
 		Adjacent: 4
+	LaysTerrain:
+		TerrainTypes: Rock
+		Template: 88
 	Bib:
 	Buildable:
 		Queue: Building

mods/d2k/rules/system-world.yaml

@@ -88,6 +88,7 @@ World:
 		Race: ordos
 	DomainIndex:
 	PathfinderDebugOverlay:
+	BuildableTerrainLayer:
 	D2kResourceLayer:
 	ResourceClaimLayer:
 	ResourceType@Spice:

mods/d2k/sequences/structures.yaml

@@ -1,3 +1,13 @@
+concretea:
+	icon: DATA
+		Start:4050
+		Offset: -30,-24
+
+concreteb:
+	icon: DATA
+		Start:4053
+		Offset: -30,-24
+
 walla:
 	idle: DATA
 		Frames: 2527, 2530, 2528, 2538, 2531, 2532, 2542, 2535, 2529, 2539, 2533, 2534, 2540, 2536, 2537, 2541

mods/d2k/weapons.yaml

@@ -621,3 +621,7 @@ Grenade:
 		Damage: 60
 		ImpactSound: EXPLLG5.WAV
 
+Weathering:
+	ROF: 100
+	Warhead:
+		Damage: 5